WO2002099911B1 - Procedure d'arret pour systeme de pile a combustible hydrogene-air - Google Patents

Procedure d'arret pour systeme de pile a combustible hydrogene-air

Info

Publication number
WO2002099911B1
WO2002099911B1 PCT/US2002/015656 US0215656W WO02099911B1 WO 2002099911 B1 WO2002099911 B1 WO 2002099911B1 US 0215656 W US0215656 W US 0215656W WO 02099911 B1 WO02099911 B1 WO 02099911B1
Authority
WO
WIPO (PCT)
Prior art keywords
shut
hydrogen
fuel cell
procedure according
down procedure
Prior art date
Application number
PCT/US2002/015656
Other languages
English (en)
Other versions
WO2002099911A3 (fr
WO2002099911A2 (fr
Inventor
David A Condit
Richard D Breault
Original Assignee
Utc Fuel Cells Llc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Utc Fuel Cells Llc filed Critical Utc Fuel Cells Llc
Priority to EP02736942A priority Critical patent/EP1402588B1/fr
Priority to KR1020037015509A priority patent/KR100852337B1/ko
Priority to DE60236867T priority patent/DE60236867D1/de
Priority to JP2003502908A priority patent/JP4601952B2/ja
Priority to BRPI0210124-6A priority patent/BR0210124A/pt
Priority to AU2002309915A priority patent/AU2002309915A1/en
Publication of WO2002099911A2 publication Critical patent/WO2002099911A2/fr
Publication of WO2002099911A3 publication Critical patent/WO2002099911A3/fr
Publication of WO2002099911B1 publication Critical patent/WO2002099911B1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/02—Details
    • H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/0258—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/02—Details
    • H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/0267—Collectors; Separators, e.g. bipolar separators; Interconnectors having heating or cooling means, e.g. heaters or coolant flow channels
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04223—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells
    • H01M8/04228—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells during shut-down
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04298—Processes for controlling fuel cells or fuel cell systems
    • H01M8/043—Processes for controlling fuel cells or fuel cell systems applied during specific periods
    • H01M8/04303—Processes for controlling fuel cells or fuel cell systems applied during specific periods applied during shut-down
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
    • H01M8/241—Grouping of fuel cells, e.g. stacking of fuel cells with solid or matrix-supported electrolytes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
    • H01M8/2457—Grouping of fuel cells, e.g. stacking of fuel cells with both reactants being gaseous or vaporised
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
    • H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
    • H01M8/04097—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with recycling of the reactants
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04223—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells
    • H01M8/04231—Purging of the reactants
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells

Abstract

L'invention concerne une procédure d'arrêt d'un système de pile à combustible (100) qui consiste à déconnecter la charge primaire (148), à interrompre l'écoulement d'air (139) et à réguler l'écoulement de combustible (141) entrant dans le système (y compris à interrompre l'écoulement de combustible) et l'écoulement de gaz hors du système de manière que les gaz des piles à combustible s'équilibrent dans les piles pour atteindre une composition gazeuse d'au moins 0,0001 % d'hydrogène en volume et, de préférence, entre 1,0 % et moins de 4,0 % d'hydrogène en volume, avec un équilibre entre l'azote et éventuellement d'autres gaz inertes et inoffensifs pour la pile à combustible, tout l'oxygène ayant été consommé en réagissant avec l'hydrogène contenu dans la pile. Cette composition gazeuse est conservée à l'intérieur des piles pendant l'arrêt, par exemple, en ajoutant de l'hydrogène afin de remplacer l'hydrogène consommé en réagissant avec l'air qui pénètre dans les piles pendant la période d'arrêt. Cette procédure d'arrêt permet d'éviter sensiblement toute perte de rendement des piles.
PCT/US2002/015656 2001-06-01 2002-05-14 Procedure d'arret pour systeme de pile a combustible hydrogene-air WO2002099911A2 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP02736942A EP1402588B1 (fr) 2001-06-01 2002-05-14 Procedure d'arret pour systeme de pile a combustible hydrogene-air
KR1020037015509A KR100852337B1 (ko) 2001-06-01 2002-05-14 수소 공기 연료 전지 시스템을 정지시키기 위한 방법
DE60236867T DE60236867D1 (de) 2001-06-01 2002-05-14 Herunterfahrprozedur für ein wasserstoff-luft-brennstoffzellensystem
JP2003502908A JP4601952B2 (ja) 2001-06-01 2002-05-14 水素−空気燃料電池システムの停止方法
BRPI0210124-6A BR0210124A (pt) 2001-06-01 2002-05-14 procedimento para desligar um sistema de célula combustìvel em operação
AU2002309915A AU2002309915A1 (en) 2001-06-01 2002-05-14 Shut-down procedure for hydrogen-air fuel cell system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/872,957 US6635370B2 (en) 2001-06-01 2001-06-01 Shut-down procedure for hydrogen-air fuel cell system
US09/872,957 2001-06-01

Publications (3)

Publication Number Publication Date
WO2002099911A2 WO2002099911A2 (fr) 2002-12-12
WO2002099911A3 WO2002099911A3 (fr) 2003-10-30
WO2002099911B1 true WO2002099911B1 (fr) 2004-02-19

Family

ID=25360688

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/015656 WO2002099911A2 (fr) 2001-06-01 2002-05-14 Procedure d'arret pour systeme de pile a combustible hydrogene-air

Country Status (9)

Country Link
US (1) US6635370B2 (fr)
EP (1) EP1402588B1 (fr)
JP (1) JP4601952B2 (fr)
KR (1) KR100852337B1 (fr)
CN (1) CN1300885C (fr)
AU (1) AU2002309915A1 (fr)
BR (1) BR0210124A (fr)
DE (1) DE60236867D1 (fr)
WO (1) WO2002099911A2 (fr)

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KR100852337B1 (ko) 2008-08-18
BR0210124A (pt) 2006-11-14
JP4601952B2 (ja) 2010-12-22
CN1300885C (zh) 2007-02-14
CN1522476A (zh) 2004-08-18
EP1402588A4 (fr) 2007-05-23
AU2002309915A1 (en) 2002-12-16
KR20040028767A (ko) 2004-04-03
WO2002099911A3 (fr) 2003-10-30
US6635370B2 (en) 2003-10-21
JP2005518632A (ja) 2005-06-23
US20020182456A1 (en) 2002-12-05
EP1402588B1 (fr) 2010-06-30
WO2002099911A2 (fr) 2002-12-12
EP1402588A2 (fr) 2004-03-31
DE60236867D1 (de) 2010-08-12

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